diff --git a/sites/www/changelog.rst b/sites/www/changelog.rst
index 0d1fd19e3..85fb1465c 100644
--- a/sites/www/changelog.rst
+++ b/sites/www/changelog.rst
@@ -5,6 +5,10 @@ Changelog
 - :bug:`1963` (via :issue:`1977`) Certificate-based pubkey auth was
   inadvertently broken when adding SHA2 support; this has been fixed. Reported
   by Erik Forsberg and fixed by Jun Omae.
+- :bug:`2002` (via :issue:`2003`) Switch from module-global to thread-local
+  storage when recording thread IDs for a logging helper; this should avoid one
+  flavor of memory leak for long-running processes. Catch & patch via Richard
+  Kojedzinszky.
 - :support:`1985` Add ``six`` explicitly to install-requires; it snuck into
   active use at some point but has only been indicated by transitive dependency
   on ``bcrypt`` until they somewhat-recently dropped it. This will be